Every time I open a new tab, it opens to Bing. Please help Bing is cancerous.
It only happens on my PC so i know it is not an add on or it would sync to my laptop.
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Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: "3-bar" menu button or Tools > Add-ons > Appearance
- Do NOT click the "Refresh Firefox" button on the Safe Mode start window
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware. All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
- Malwarebytes' Anti-Malware:
http://www.malwarebytes.org/mbam.php - AdwCleaner:
http://www.bleepingcomputer.com/download/adwcleaner/
http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml - SuperAntispyware:
http://www.superantispyware.com/ - Microsoft Safety Scanner:
http://www.microsoft.com/security/scanner/en-us/default.aspx - Windows Defender:
http://windows.microsoft.com/en-us/windows/using-defender - Spybot Search & Destroy:
http://www.safer-networking.org/en/index.html - Kasperky Free Security Scan:
http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
- Anti-rootkit utility TDSSKiller:
http://support.kaspersky.com/5350?el=88446
See also:
- "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked
What is the full URL of the unwanted new tab page? Sometimes the parameters point to the culprit (i.e., affiliate getting paid to drive traffic there).
What version of Firefox are you actually running? Your browser reported Firefox 39 which is very out of date now.
Prior to Firefox 41, the new tab page could be easily directed to a different URL by modifying a settings file. That has changed in Firefox 41 and later to help guard against hijacking.
For Firefox pre-41, have you tried this:
(1) In a new tab, type or paste about:config in the address bar and press Enter. Click the button promising to be careful.
(2) In the search box above the list, type or paste newtab and pause while the list is filtered
(3) Double-click the browser.newtab.url preference and enter your preferred page:
- Page thumbnails (default) => about:newtab
- Blank tab => about:blank
- Built-in Firefox home page => about:home
- Any other page => full URL to the page
Press Ctrl+t to open a new tab and verify that it worked. Fixed?
Some gotchas:
If Firefox won't let you edit this setting: you may have something called SearchProtect on your system. Check the Windows Control Panel, Uninstall a Program. Or does the status say "Locked"?
If Firefox lets you save your change but ignores it: one of your extensions may be overriding it. You can review, disable, and/or remove extensions on the add-ons page.
If the change works during your session, but at the next startup is back to Bing: you might have a user.js file in your personal Firefox settings folder (your Firefox profile folder). This article describes how to track down and remove the file: How to fix preferences that won't save.
NO, an add-on might not Sync that to/ from other devices in a couple of situations.
1. Extensions that aren't hosted at Addons.Mozilla.Org don't get 'synced'.
2. If the other devices are running Firefox 43 or later, unsigned extensions won't get 'synced' from a device running Firefox 39 that allows unsigned extensions.